package ai.kastrax.cli.commands

import com.github.ajalt.clikt.core.CliktCommand
import com.github.ajalt.clikt.parameters.options.default
import com.github.ajalt.clikt.parameters.options.flag
import com.github.ajalt.clikt.parameters.options.help
import com.github.ajalt.clikt.parameters.options.option
import com.github.ajalt.clikt.parameters.types.choice
import com.github.ajalt.mordant.animation.progressAnimation
import com.github.ajalt.mordant.rendering.TextColors
import com.github.ajalt.mordant.terminal.Terminal
import io.github.oshai.kotlinlogging.KotlinLogging
import java.io.File
import kotlinx.coroutines.runBlocking

private val logger = KotlinLogging.logger {}

/**
 * 部署项目的命令。
 */
class DeployCommand : CliktCommand(
    name = "deploy",
    help = "部署 KastraX 项目"
) {
    private val target by option("-t", "--target")
        .choice(
            "local" to "local",
            "docker" to "docker",
            "aws" to "aws",
            "gcp" to "gcp",
            "azure" to "azure"
        )
        .default("local")
        .help("部署目标 (local, docker, aws, gcp, azure)")

    private val configFile by option("-c", "--config")
        .default("kastrax-deploy.json")
        .help("部署配置文件路径")

    private val dryRun by option("--dry-run")
        .flag()
        .help("执行部署的模拟运行，不进行实际部署")

    private val verbose by option("-v", "--verbose")
        .flag()
        .help("启用详细日志")

    private val terminal = Terminal()

    override fun run() = runBlocking {
        // 检查配置文件是否存在
        val config = File(configFile)
        if (!config.exists()) {
            terminal.println(TextColors.red("错误: 部署配置文件 '$configFile' 不存在。"))
            return@runBlocking
        }

        terminal.println(TextColors.brightBlue("部署 KastraX 项目..."))
        terminal.println("目标: $target")
        terminal.println("配置文件: ${config.absolutePath}")
        terminal.println("模拟运行: ${if (dryRun) "是" else "否"}")
        terminal.println("详细日志: ${if (verbose) "启用" else "禁用"}")
        terminal.println()

        if (dryRun) {
            terminal.println(TextColors.yellow("这是一个模拟运行，不会进行实际部署。"))
            terminal.println()
        }

        // 显示进度条
        val progress = terminal.progressAnimation {
            text("部署中...")
            percentage()
            completed()
        }

        progress.start()

        try {
            // 这里是部署逻辑的实现
            // 由于这是一个示例，我们只是模拟部署过程

            // 模拟部署步骤
            val steps = listOf(
                "验证配置" to 10,
                "构建项目" to 30,
                "准备部署环境" to 50,
                "上传文件" to 70,
                "启动服务" to 90,
                "验证部署" to 100
            )

            for ((step, percentage) in steps) {
                progress.update(completed = percentage)
                Thread.sleep(1000) // 模拟工作
            }

            progress.stop()

            if (!dryRun) {
                terminal.println(TextColors.green("✓ 项目已成功部署到 $target"))
                terminal.println("  部署 URL: https://example.com/kastrax-app")
            } else {
                terminal.println(TextColors.green("✓ 模拟部署成功"))
            }
        } catch (e: Exception) {
            progress.stop()
            logger.error(e) { "部署项目时发生错误" }
            terminal.println(TextColors.red("错误: 部署项目时发生错误: ${e.message}"))
        }
    }
}
